https://www.etsy.com/ca/listing/1009061389/custom-metal-stamp-custom-metal-die?ref=listing_page_ad_row-1&frs=1&sts=1&plkey=17c8e57e7730ed5b47f205ebdc760138e1c09893%3A1009061389 Etsy seller making steel stamps. Laser engraved - pretty interesting.
canadianhobbymetalworkers.com